llvm-project

a27b1d99 - [CIR][AArch64] Upstream saturating-addition NEON builtins (#213755)

[CIR][AArch64] Upstream saturating-addition NEON builtins (#213755) Related to https://github.com/llvm/llvm-project/issues/185382 CIR lowering for saturating-addition intrinsics (https://arm-software.github.io/acle/neon_intrinsics/advsimd.html#saturating-addition) Port tests from `clang/test/CodeGen/AArch64/neon-intrinsics.c` to `clang/test/CodeGen/AArch64/neon/add.c`